Tube fitting



FIG. 1 is a top side perspective view of a tube fitting illustrating mynew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a bottom side perspective view thereof; and,

FIG. 9 is a cross-sectional view thereof, taken along the line 9-9 shownin FIG. 6.

CLAIM The ornamental design for a tube fitting, as shown and described.